English
lumenogenesis
From lumen + -genesis.
Formed from lumen + -genesis
Proto-Indo-European *lewk- ‘bright’
Proto-Indo-European *léwksmn̥
Proto-Italic *louksmən
Latin lūmen ‘light, an opening’
English lumen
Today it means
noun The production and development of a lumen.
Language periods are conventional ranges, not dates for this word.
Etymograph / lumenogenesis